At 3.79 million square miles (9.83 million km2) and with about 327 million people, the United States is the third or fourth-largest country by total area and third-largest by land area and by population.

Geography and environment

The land area of the contiguous United States is 2,959,064 square miles (7,663,941 km2). Alaska, separated from the contiguous United States by Canada, is the largest state at 663,268 square miles (1,717,856 km2). Hawaii, occupying an archipelago in the central Pacific, southwest of North America, is 10,931 square miles (28,311 km2) in area.[19]

The United States is the world's third or fourth largest nation by total area (land and water), ranking behind Russia and Canada and just above or below China. The ranking varies depending on how two territories disputed by China and India are counted and how the total size of the United States is measured: calculations range from 3,676,486 square miles (9,522,055 km2)[20] to 3,717,813 square miles (9,629,091 km2)[21] to 3,794,101 square miles (9,826,676 km2).[22] Measured by only land area, the United States is third in size behind Russia and China, just ahead of Canada.[23]

The U.S. ecology is considered "megadiverse": about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland.[25] The United States is home to more than 400 mammal, 750 bird, and 500 reptile and amphibian species.[26] About 91,000 insect species have been described.[27]

In the Cold War, the United States and the Soviet Union competed after the Second World War, controlling the military affairs of Europe through NATO and the Warsaw Pact. The first supported liberal democracy and capitalism, while the second favored communism and an economy planned by the government. Both supported several dictatorships and participated in proxy wars. Between 1950 and 1953, U.S. troops fought Chinese communist forces in the Korean War.[45] From the break with the USSR and the start of the Cold War until 1957, McCarthyism also called the Second Red Dread, developed within the United States. The State unleashed a wave of political mistreatment and a campaign of prejudice against Communists, which some authors point out as of a totalitarian state. Hundreds of people were arrested, including celebrities, and between 10,000 and 12,000 people lost their jobs.[46] The abuse ended when the courts declared it unconstitutional.[47]

In 2005, Hurricane Katrina, which would end up being the deadliest natural disaster in national history, caused severe destruction along the Gulf Coast: the city of New Orleans was devastated, with 1833 dead.[55]

On November 8, 2016, the Republican Party leader Donald Trump defeated former First Lady Hillary Clinton for presidency in an unusual election and whose plans have been described by political analysts as populist, protectionist and nationalist, assuming office on January 20, 2017.[56]

The massacres in Orlando of June 12, 2016 at the gay disco Pulse (51 dead) and in Las Vegas on October 1, 2017 (60) are listed as the largest massacres in the country since 9/11.[57]

Executive branch

The executive branch is the part of the government that enforces the law. Members of the U.S. Electoral College elect a president who is the leader of the executive branch, as well as the leader of the armed forces. The president may veto a bill that the Congress has passed, so it does not become a law. The President may also make "executive orders" to ensure that people follow the law.

The president is in charge of many departments that control much of the day-to-day actions of government. For example, Department of Commerce makes rules about trade. The president chooses the heads of these departments, and also nominates federal judges. However, the Senate, part of the legislative branch, must agree with all of the people the president chooses. The president may serve two 4-year terms.

One house is the House of Representatives. The Representatives are each elected by voters from a set area within a state. The number of Representatives a state has is based on how many people live there. Representatives serve two-year terms. The total number of representatives today is 435. The leader of the House of Representatives is the Speaker of the House.

The other house is the Senate. In the Senate, each state is represented equally, by two senators. Because there are 50 states, there are 100 senators. The President's treaties or appointments of officials need the Senate's approval. Senators serve six-year terms. The Vice President of the United States serves as president of the Senate. In practice, the vice president is usually absent from the Senate, and a senator serves as president pro tempore, or temporary president, of the Senate.

Representatives and senators propose laws, called "bills", in their respective houses. A bill may be voted upon by the entire house right away or may first go to a small group, known as a committee, which may recommend a bill for a vote by the whole house. If one house votes to pass a bill, the bill then gets sent to the other house; if both houses vote for it, it is then sent to the president, who may sign the bill into law or veto it. If the president vetoes the bill, it is sent back to Congress. If Congress votes again and passes the bill with at least a two-thirds majority, the bill becomes law and cannot be vetoed by the president.

Under the American system of federalism, Congress may not make laws that directly control the states; instead, Congress may use the promise of federal funds, or special circumstances such as national emergencies, to encourage the states to follow federal law. This system is both complex and unique.

Judicial branch

The judicial branch is the part of government that interprets what the law means. The Judicial Branch is made up of the Supreme Court and many lower courts. If the Supreme Court decides that a law is not allowed by the Constitution, the law is said to be "struck down" and is no longer a valid law.

The Supreme Court is made up of nine judges, called justices, who are nominated by the President and confirmed by the Senate. One of these justices, called the chief justice, heads the court. A Supreme Court justice serves until he or she dies or resigns (quits in the middle of his or her term). When that happens, the president nominates someone new to replace the justice who left. If the Senate agrees with that choice, the person becomes a justice. If the Senate does not agree with the president's choice, then the president must nominate someone else.

Politics

The United States of America consists of 50 states, 5 territories and 1 district (Washington D.C.). States can make laws about things inside the state, but federal law is about things dealing with more than one state or dealing with other countries. In some areas, if the federal government makes laws that say different things from the state laws, people must follow the federal law because the state law is not a law any more. Each state has a constitution of its own, different from the federal (national) Constitution. Each of these is like the federal Constitution because they say how each state's government is set up, but some also talk about specific laws.

The federal and most state governments are dominated by two political parties: the Republicans and the Democrats. There are many smaller parties; the largest of these are the Libertarian Party and the Green Party. People help in political campaigns that they like. They try to persuade politicians to help them; this is called lobbying. All Americans are allowed to do these things, but some have and spend more money than others, or in other ways do more in politics. Some people think this is a problem, and lobby for rules to be made to change it.

Since 2017, the president is a Republican, and Congress is also Republican-controlled, so the Republicans have more power in the federal government. There are still many powerful Democrats who can try to stop the Republicans from doing things that they believe will be bad for the country. Also, members of a party in power do not always agree on what to do. If enough people decide to vote against Republicans in the next election, they will lose power. In a republic like the United States, no party can do whatever they want. All politicians have to argue, compromise, and make deals with each other to get things done. They have to answer to the people and take responsibility for their mistakes.

The USA's large cultural, economic, and military influence has made the foreign policy of the United States, or relations with other countries, a topic in American politics, and the politics of many other countries.

Political divisions

States

The United States conquered and bought new lands over time, and grew from the original 13 colonies in the east to the current 50 states, of which 48 of them are joined together to make up the contiguous United States. These states, called the "lower 48", can all be reached by road without crossing a border into another country. They go from the Atlantic east to the Pacific in the west. There are two other states which are not joined to the lower 48 states. Alaska can be reached by passing through British Columbia and the Yukon, both of which are part of Canada. Hawaii is in the middle of the Pacific Ocean.

Washington, D.C., the national capital, is a federal district that was split from the states of Maryland and Virginia in 1791. Not part of any US state, it used to be in the shape of a square, with the land west of the Potomac River coming from Virginia, and the land east of the river coming from Maryland. In 1846, Virginia took back its part of the land. Some people living in DC want it to become a state, or for Maryland to take back its land, so that they can have the right to vote in Congress.

Territories and possessions

The United States consists of sixteen lands that are not states, many of which are colonialterritories. None of them have any land borders with the rest of the US. People live in five of these places, which are de facto American:

The military budget of the United States in 2011 was more than $700 billion, 41% of global military spending and equal to the next 14 largest national military expenditures combined. At 4.7% of GDP, the rate was the second-highest among the top 15 military spenders, after Saudi Arabia.[68] U.S. defense spending as a percentage of GDP ranked 23rd globally in 2012 according to the CIA.[69] The proposed base Department of Defense budget for 2012, $553 billion, was a 4.2% increase over 2011; an additional $118 billion was proposed for the military campaigns in Iraq and Afghanistan.[70] The last American troops serving in Iraq departed in December 2011;[71] 4,484 service members were killed during the Iraq War.[72] Approximately 90,000 U.S. troops were serving in Afghanistan in April 2012;[73] by November 8, 2013 2,285 had been killed during the War in Afghanistan.[74]

11% of the people in the United States are foreign born. 18% speak a language other than English at home. For people 25 and older, 80% are high schoolgraduates while 25% have a bachelor's degree or higher.

The 2000 Census counted self-reported ancestry. It identified 43 million German-Americans, 30.5 million Irish-Americans, 24.9 million African-Americans, 24.5 million English-Americans, and 18.4 million Mexican-Americans.

Money

The socialstructure of the United States has a big range. This means that some Americans are much, much richer than others. The average (median) income for an American was $37,000 a year in 2002. However, the richest 1% of Americans have as much money as the poorest 90%. 51% of all households have access to a computer and 41% had access to the Internet in 2000, a figure which had grown to 75% in 2004. Also, 67.9% of American families owned their homes in 2002. There are 200 million cars in the United States, two for every three Americans. The debt has grown to over $21,000,000,000,000.

The United States is one of the most religious countries in the Western World, and most Americans believe in God. The number of Christians in the U.S. has gone down. 86.2% called themselves Christian in 1990 and 78.4% said this in 2007. The others include Judaism (2.3%), Islam (0.8%), Buddhism (0.7%), Hinduism (0.4%), and Unitarian Universalism (0.3%). Those who have no religion are at 16.1%. There is a large difference between those who say that they belong to a religion and those who are members of a religious body of that religion.[78]

English (American English) is the de facto national language. Although there is no official language at the federal level, some laws—such as U.S. naturalization requirements—standardize English. In 2010, about 230 million, or 80% of the population aged five years and older, spoke only English at home. Spanish, spoken by 12% of the population at home, is the second most common language and the most widely taught second language.[81][82] Some Americans advocate making English the country's official language, as it is in at least twenty-eight states.[4] Both Hawaiian and English are official languages in Hawaii by state law.[83]

While neither has an official language, New Mexico has laws providing for the use of both English and Spanish, as Louisiana does for English and French.[84] Other states, such as California, order the publication of Spanish versions of certain government documents including court forms.[85] Many jurisdictions with large numbers of non-English speakers produce government materials, especially voting information, in the most commonly spoken languages in those jurisdictions.

Several insular territories grant official recognition to their native languages, along with English: Samoan and Chamorro are recognized by American Samoa and Guam, respectively; Carolinian and Chamorro are recognized by the Northern Mariana Islands; Spanish is an official language of Puerto Rico and is more widely spoken than English there.

Education

In most states, children are required to attend school from the age of six or seven (generally, kindergarten or first grade) until they turn eighteen (generally bringing them through twelfth grade, the end of high school); some states allow students to leave school at sixteen or seventeen.[86] About 12% of children are enrolled in parochial or nonsectarian private schools. Just over 2% of children are homeschooled.[87]

Culture

American popular culture goes out to many places in the world. It has a large influence on most of the world, especially the Western world. American music is heard all over the world, and American movies and television shows can be seen in most countries.

Flag

The US Flag

The American flag is made up of 50 stars on a blue background, and has 13 stripes, seven red and six white. It is one of many symbols of the United States like the Bald Eagle. The 50 stars represent the 50 states. The red stands for courage. The blue stands for justice. The white represents peace and cleanliness. The 13 stripes represent the 13 original colonies.[89]

Notes

↑English is the official language of at least 28 states—some sources give a higher figure, based on different definitions of "official".[4] English and Hawaiian are both official languages in the state of Hawaii.

↑English is the de facto language of American government and the sole language spoken at home by 82% of Americans age five and older. Spanish is the second most commonly spoken language.

↑Whether the United States or the People's Republic of China is larger is argued against. The figure given is from the U.S. Central Intelligence Agency's World Factbook. Other sources give smaller figures. All strict calculations of the country's size include only the fifty states and the District of Columbia, not the territories.

↑Morrison, Michael A. (1999). Slavery and the American West: The Eclipse of Manifest Destiny and the Coming of the Civil War. Chapel Hill: University of North Carolina Press. pp. 13–21. ISBN0807847968.

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